CVE-2019-19252

La función vcs_write en el archivo drivers/tty/vt/vc_screen.c en el kernel de Linux versiones hasta la versión 5.3.13, no impide el acceso de escritura a dispositivos vcsu.

It was discovered that the Atheros 802.11ac wireless USB device driver in the Linux kernel did not properly validate device metadata. A physically proximate attacker could use this to cause a denial of service. It was discovered that a race condition existed in the Virtual Video Test Driver in the Linux kernel. An attacker with write access to /dev/video0 on a system with the vivid module loaded could possibly use this to gain administrative privileges. Various other issues were also addressed.